102212222212 has 12 divisors (see below), whose sum is σ = 179235692496. Its totient is φ = 51002024360.

The previous prime is 102212222207. The next prime is 102212222213. The reversal of 102212222212 is 212222212201.

It is a self number, because there is not a number n which added to its sum of digits gives 102212222212.

It is not an unprimeable number, because it can be changed into a prime (102212222213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26019478 + ... + 26023405.

It is an arithmetic number, because the mean of its divisors is an integer number (14936307708).

Almost surely, 2^102212222212 is an apocalyptic number.

It is an amenable number.

102212222212 is a deficient number, since it is larger than the sum of its proper divisors (77023470284).

102212222212 is a wasteful number, since it uses less digits than its factorization.

102212222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52043378 (or 52043376 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102212222212 its reverse (212222212201), we get a palindrome (314434434413).

The spelling of 102212222212 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twelve".